/ Dictionary / Index A alabastrum: Meaning and Definition of Find definitions for: al•a•bas•trum Pronunciation: (al"u-bas'trum, -bä'strum), [key] — pl. -bas•tra -bas•trums. alabastron. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. alabastron à la bonne heure* Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language